C++ (Cpp) arc_platform_smp_cpuinfo示例

示例#1

文件： setup.c 项目： 1youhun1/linux

static int show_cpuinfo(struct seq_file *m, void *v)
{
	char *str;
	int cpu_id = ptr_to_cpu(v);

	str = (char *)__get_free_page(GFP_TEMPORARY);
	if (!str)
		goto done;

	seq_printf(m, arc_cpu_mumbojumbo(cpu_id, str, PAGE_SIZE));

	seq_printf(m, "Bogo MIPS : \t%lu.%02lu\n",
		   loops_per_jiffy / (500000 / HZ),
		   (loops_per_jiffy / (5000 / HZ)) % 100);

	seq_printf(m, arc_mmu_mumbojumbo(cpu_id, str, PAGE_SIZE));

	seq_printf(m, arc_cache_mumbojumbo(cpu_id, str, PAGE_SIZE));

	seq_printf(m, arc_extn_mumbojumbo(cpu_id, str, PAGE_SIZE));

#ifdef CONFIG_SMP
	seq_printf(m, arc_platform_smp_cpuinfo());
#endif

	free_page((unsigned long)str);
done:
	seq_printf(m, "\n\n");

	return 0;
}

示例#2

文件： setup.c 项目： 1059232202/linux

static int show_cpuinfo(struct seq_file *m, void *v)
{
	char *str;
	int cpu_id = ptr_to_cpu(v);

	if (!cpu_online(cpu_id)) {
		seq_printf(m, "processor [%d]\t: Offline\n", cpu_id);
		goto done;
	}

	str = (char *)__get_free_page(GFP_TEMPORARY);
	if (!str)
		goto done;

	seq_printf(m, arc_cpu_mumbojumbo(cpu_id, str, PAGE_SIZE));

	seq_printf(m, "Bogo MIPS\t: %lu.%02lu\n",
		   loops_per_jiffy / (500000 / HZ),
		   (loops_per_jiffy / (5000 / HZ)) % 100);

	seq_printf(m, arc_mmu_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_cache_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_extn_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_platform_smp_cpuinfo());

	free_page((unsigned long)str);
done:
	seq_printf(m, "\n");

	return 0;
}

示例#3

文件： setup.c 项目： FxIxFxA/linux

static int show_cpuinfo(struct seq_file *m, void *v)
{
	char *str;
	int cpu_id = ptr_to_cpu(v);
	struct device *cpu_dev = get_cpu_device(cpu_id);
	struct clk *cpu_clk;
	unsigned long freq = 0;

	if (!cpu_online(cpu_id)) {
		seq_printf(m, "processor [%d]\t: Offline\n", cpu_id);
		goto done;
	}

	str = (char *)__get_free_page(GFP_KERNEL);
	if (!str)
		goto done;

	seq_printf(m, arc_cpu_mumbojumbo(cpu_id, str, PAGE_SIZE));

	cpu_clk = clk_get(cpu_dev, NULL);
	if (IS_ERR(cpu_clk)) {
		seq_printf(m, "CPU speed \t: Cannot get clock for processor [%d]\n",
			   cpu_id);
	} else {
		freq = clk_get_rate(cpu_clk);
	}
	if (freq)
		seq_printf(m, "CPU speed\t: %lu.%02lu Mhz\n",
			   freq / 1000000, (freq / 10000) % 100);

	seq_printf(m, "Bogo MIPS\t: %lu.%02lu\n",
		   loops_per_jiffy / (500000 / HZ),
		   (loops_per_jiffy / (5000 / HZ)) % 100);

	seq_printf(m, arc_mmu_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_cache_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_extn_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_platform_smp_cpuinfo());

	free_page((unsigned long)str);
done:
	seq_printf(m, "\n");

	return 0;
}

示例#4

文件： setup.c 项目： Artox/linux

void setup_processor(void)
{
	char str[512];
	int cpu_id = smp_processor_id();

	read_arc_build_cfg_regs();
	arc_init_IRQ();

	printk(arc_cpu_mumbojumbo(cpu_id, str, sizeof(str)));

	arc_mmu_init();
	arc_cache_init();

	printk(arc_extn_mumbojumbo(cpu_id, str, sizeof(str)));
	printk(arc_platform_smp_cpuinfo());

	arc_chk_core_config();
}

示例#5

文件： setup.c 项目： 1youhun1/linux

void setup_processor(void)
{
	char str[512];
	int cpu_id = smp_processor_id();

	read_arc_build_cfg_regs();
	arc_init_IRQ();

	printk(arc_cpu_mumbojumbo(cpu_id, str, sizeof(str)));

	arc_mmu_init();
	arc_cache_init();
	arc_chk_ccms();

	printk(arc_extn_mumbojumbo(cpu_id, str, sizeof(str)));

#ifdef CONFIG_SMP
	printk(arc_platform_smp_cpuinfo());
#endif

	arc_chk_fpu();
}

示例#6

文件： setup.c 项目： Artox/linux

static int show_cpuinfo(struct seq_file *m, void *v)
{
	char *str;
	int cpu_id = ptr_to_cpu(v);
	struct device_node *core_clk = of_find_node_by_name(NULL, "core_clk");
	u32 freq = 0;

	if (!cpu_online(cpu_id)) {
		seq_printf(m, "processor [%d]\t: Offline\n", cpu_id);
		goto done;
	}

	str = (char *)__get_free_page(GFP_TEMPORARY);
	if (!str)
		goto done;

	seq_printf(m, arc_cpu_mumbojumbo(cpu_id, str, PAGE_SIZE));

	of_property_read_u32(core_clk, "clock-frequency", &freq);
	if (freq)
		seq_printf(m, "CPU speed\t: %u.%02u Mhz\n",
			   freq / 1000000, (freq / 10000) % 100);

	seq_printf(m, "Bogo MIPS\t: %lu.%02lu\n",
		   loops_per_jiffy / (500000 / HZ),
		   (loops_per_jiffy / (5000 / HZ)) % 100);

	seq_printf(m, arc_mmu_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_cache_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_extn_mumbojumbo(cpu_id, str, PAGE_SIZE));
	seq_printf(m, arc_platform_smp_cpuinfo());

	free_page((unsigned long)str);
done:
	seq_printf(m, "\n");

	return 0;
}